A contact lens is made of plastic with an index of refraction 1.50.The lens has an outer radius of curvature of +2.0 cm and an innerradius of curvature of +2.5 cm.What is its focal length?
A) -20 cm
B) +6.7 cm
C) +10 cm
D) +20 cm
Correct Answer:
Verified
Q44: An object and a screen are separated
Q45: An object,located 90 cm from a concave
Q46: Two thin lenses with focal lengths 25.0
Q47: Two thin lenses with 10.0-cm focal lengths
Q48: Ellen places an object 40.0 cm from
Q50: Sally places an object 6.0 cm from
Q51: Two thin lenses,with focal lengths of 25.0
Q52: Two convex thin lenses with focal lengths
Q53: For a converging lens with two curved
Q54: A converging lens with two convex surfaces
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents